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Audi · Full-Size SUV · 2019–2026

Audi RS Q8 4M

Weaknesses, engine ratings and buying advice

★★★★★
2.8 / 5.0 · Based on 8 engine variants
Most Fun Engine

630–640 PS

4.0L TFSI V8 BiTurbo Benzin

RS Q8 Performance — 630 hp in SUV form

Legendary!
Problem Engine

245–286 PS

3.0L TDI V6 Diesel

5 weaknesses

Stay Away!

Engine Overview

The Audi RS Q8 4M is available with one engine variant at 245 hp.

RS Q8 · Benziner Mild-Hybrid· 600 PS
2019 2024
Be Careful 10 weaknesses
Show all weaknesses →

The Audi RS Q8 (Benziner Mild-Hybrid, 600 PS) has the DCSA (4.0L TFSI V8 BiTurbo) — rated: "Be Careful", 10 known weaknesses.

Vehicle Weaknesses

WeaknessCost
✖Recall: Rear Axle Nut Incorrectly Torqued

On Q8 models from 2019–2021 (action 42L1) an incorrectly torqued rear axle nut can alter wheel alignment and affect driving stability. Free repair at dealer.

Ad Hinterachsmutter Q8 4M recall 42L1Achsmutter rear axle Audi Q8
 Low
✖Air suspension compressor and air bellows failures

The adaptive air suspension develops leaking air springs or compressor failures after several years. The vehicle then sags on one side or completely. Cause is usually leaking air bellows.

Symptoms: Vehicle sags on one side or front/rear, air suspension fault message, compressor runs continuously
from 60,000 km
Ad air spring bag Audi RS Q8 4Mair springsupercharger Q8 4M8Niveauregulierung supercharger RS Q8
 High
!Air Suspension — Compressor and Air Bag Integrity

The Q8 4M air suspension shows typical weaknesses on residual pressure hold valves (approx. 50 € part) and air bags. Warning light illuminates, vehicle drops on one axle, compressor runs continuously to the point of overheating.

Symptoms: Yellow air suspension warning light, vehicle leaning on one side, ride height no longer controllable.
from 100,000 km
Ad Restdruckhalteventil Q8 4Mair spring rear axle Q8 4M8616039Luftsupercharger Audi Q8
 High
NHTSA Owner Complaints
Below Average
172 complaints · 2018–2024
Electrical
66
Powertrain
48
Engine
43
Other
15
Steering
15 ⚠ 2

Top Reported Issues

⚠ Electrical (66 complaints)
⚠ Powertrain (48 complaints)
⚠ Engine (43 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03
NHTSA Owner Complaints
Above Average
2 complaints · 2019–2026
Electrical
2
Steering
1

Top Reported Issues

⚠ Electrical (2 complaints)
⚠ Steering (1 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 79 weaknesses have been documented for the Audi RS Q8 4M (2019–2026) — 68 engine-related and 11 vehicle-related. One problem engine: CVMD (3.0L TDI V6). Typical issues affect Suspension, Other, Gearbox, Electronics.

What to watch out for with the Audi RS Q8? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Audi RS Q8 4M have? +
The Audi RS Q8 4M has 68 known engine weaknesses and 11 vehicle weaknesses.
What should I look for when buying a used Audi RS Q8 4M? +
faq.watch_a_avoid
Which engine is recommended? +
Be careful: CREA (3.0L TFSI V6), CZAC (4.0L TDI V8 BiTurbo), DCSA (4.0L TFSI V8 BiTurbo), DJTB (4.0L TFSI V8 BiTurbo), DNWA-RSQ3 (2.5L TFSI I5), DCU (4.0L TFSI V8 BiTurbo), DCBE (3.0L TFSI e V6). No engine is rated 'Good Choice'. The most fun to drive is the DJTB (4.0L TFSI V8 BiTurbo). Problem engine: CVMD (3.0L TDI V6) — stay away!
Which Audi RS Q8 4M engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Audi RS Q8 4M — rated: "Legendary!". {description} The Performance version squeezes 630 hp from the twin-turbo V8. Impressive on paper, barely distinguishable from the 600 hp standard in practice. Feeling the difference requires a track — on the road, 600 hp in an SUV is more than enough.
Is the Audi RS Q8 4M worth buying used? +
Caution is advised with the Audi RS Q8 4M — 1 of 8 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the Audi RS Q8 4M? +
The Audi RS Q8 4M is available with engine variants from 245 to 640 hp. Petrol: CREA (3.0L TFSI V6), DCSA (4.0L TFSI V8 BiTurbo), DJTB (4.0L TFSI V8 BiTurbo), DNWA-RSQ3 (2.5L TFSI I5), DCU (4.0L TFSI V8 BiTurbo), DCBE (3.0L TFSI e V6). Diesel: CVMD (3.0L TDI V6), CZAC (4.0L TDI V8 BiTurbo).

Last updated: February 2026 · All information without guarantee